V1sc-Jura (Cretaceous of Switzerland)

Also known as Ste-Croix, S-C

Where: Switzerland (46.8° N, 6.5° E: paleocoordinates 37.8° N, 15.4° E)

When: Vuache Formation, Early/Lower Valanginian (140.2 - 136.4 Ma)

• Jaccard, 1869 referred to the fossils found at this locality as "Valangien supérieur". Three distinct facies represent the Upper Valanginian, one of these is termed "calcaire roux". According to Strasser et al. 2016, the "calcaire roux" exposed at Ste-Croix corresponds to the Vuache formation, which is dated as Valanginian, spanning the ammonite biozones of Petransiens, Neoxomiensiformis, Inostranzewi and Verrucosum.

• group of beds-level stratigraphic resolution

Environment/lithology: carbonate

• limonite is common in the carbonate rocks of this age

•Strasser et al. 2016: The depositional environment was that of an open shelf.

• Strasser et al. 2016: The reddish Valanginian sedimentary rocks in the Jura Mountains are commonly described as ‘‘Calcaires roux’’ (Jaccard 1861). In order to replace this facies term, the new Vuache Formation is proposed. It is characterised by typically reddish limestone beds (cm to tens of cm thick) that in many cases display hummocky and swaley cross-stratifi- cation implying storm activity (Fig. 7b). The facies are bioclastic and oolitic packstones to grainstones rich in echinoderm and bryozoan fragments (a predominantly heterozoan assemblage). Locally, some glauconite is pre- sent, while quartz grains are rare. Chert layers occur in the region of the type locality.

Size class: macrofossils

Primary reference: A. Jaccard. 1869. Jura Vaudois et Neuchatelois. Matériaux pour la carte géologique de la Suisse 6:1-340 [M. Patzkowsky/K. Layou/L. Villier]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2225: authorized by Mark Patzkowsky, entered by Karen Layou on 28.06.1999, edited by John Alroy and David Nicholson

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Demospongiae
 Spirosclerophorida -
Siphonocoelia crassa demosponge
originally entered as "Siphonocaelia crassa"
Siphonocoelia truncata demosponge
originally entered as "Siphonocaelia truncata"
Calcarea
 Calcaronea - Stellispongiidae
Elasmoierea sp. calcareous sponge
Cupulochonia
  -
Rhynchonellata
 Terebratulida - Laqueidae
"Terebratula villersensis" = Psilothyris villersensis
"Terebratula villersensis" = Psilothyris villersensis de Loriol 1864
 Terebratulida - Terebratulidae
 Terebratulida - Cancellothyrididae
"Terebrirostra neocomiensis" = Symphythyris neocomiensis
"Terebrirostra neocomiensis" = Symphythyris neocomiensis d'Orbigny 1847
Stenolaemata
 Cyclostomata - Tubuliporidae
 Cyclostomata - Frondiporidae
 Cyclostomata - Theonoidae
Bivalvia
 Nuculanida - Nuculanidae
Nuculana valangiensis pointed nut clam
originally entered as "Leda valangiensis"
 Mytilida - Mytilidae
Mytilus couloni, Mytilus sanctae-crucis, Mytilus cuvieri, Mytilus montmollini, Mytilus salevensis, "Lithodomus oblongus" = Lithophaga, "Lithodomus aubersonensis" = Lithophaga, "Lithodomus amygdaloides" = Lithophaga, "Lithodomus avellana" = Lithophaga
Mytilus sanctae-crucis Linnaeus 1758 mussel
"Lithodomus oblongus" = Lithophaga mussel
"Lithodomus aubersonensis" = Lithophaga mussel
"Lithodomus amygdaloides" = Lithophaga mussel
"Lithodomus avellana" = Lithophaga mussel
 Ostreida - Pinnidae
 Arcida - Arcidae
 Carditida - Astartidae
 Carditida - Crassatellidae
 Pholadomyida - Pholadomyidae
Pholadomya sanctae-crucis Sowerby 1823 clam
Pholadomya elongata Münster 1840 clam
Pholadomya valangiensis Pictet and Campiche 1864 clam
 Thraciida - Thraciidae
 Cardiida - Gastrochaenidae
 Cardiida - Cardiidae
 Cardiida - Psammobiidae
"Psammobia valangiensis" = Gari (Psammobia), "Psammobia escheri" = Gari (Psammobia)
"Psammobia valangiensis" = Gari (Psammobia) clam
"Psammobia escheri" = Gari (Psammobia) clam
 Cardiida - Anatinellidae
 Cardiida - Mactridae
 Cardiida - Arcticidae
"Cyprina marcousana" = Arctica, "Cyprina valangiensis" = Arctica, "Cyprina aubersonensis" = Arctica
"Cyprina marcousana" = Arctica clam
"Cyprina valangiensis" = Arctica clam
"Cyprina aubersonensis" = Arctica clam
 Cardiida - Veneridae
Venus helvetica venus clam
Venus obesa venus clam
Venus galdryana venus clam
 Cardiida - Glossidae
 Lucinida - Lucinidae
 Trigoniida - Trigoniidae
Trigonia sanctae-crucis Bruguière 1789 clam
Gastropoda
 Opisthobranchia - Bullidae
 Heterostropha - Nerineidae
 Sorbeoconcha - Tylostomatidae
Tylostoma laharpi Pictet and Campiche 1862 snail
 Sorbeoconcha - Strombidae
 Sorbeoconcha - Aporrhaidae
Aporrhais sanctae-crucis da Costa 1778 snail
"Pterocera desori" = Harpagodes desori Pictet and Campiche 1864 snail
 Sorbeoconcha - Colombellinidae
"Columbellina neocomiensis" = Colombellina, "Columbellina brevis" = Colombellina
"Columbellina neocomiensis" = Colombellina snail
"Columbellina brevis" = Colombellina snail
 Neogastropoda - Nassariidae
 Sorbeoconcha - Naticidae
Natica praelonga moon snail
Natica bulimoides moon snail
Natica laevigata moon snail
Natica levianthan moon snail
Natica sautieri moon snail
Natica valdensis moon snail
Natica helvetica moon snail
Natica etalloni moon snail
Natica pidanceti moon snail
 Pseudomelanoidea - Pseudomelaniidae
 Cerithioidea - Turritellidae
Turritella jaccardi turret shell
 Cerithioidea - Cerithiidae
 Trochoidea - Trochidae
 Trochoidea - Turbinidae
 Lepetellida - Fissurellidae
 Pleurotomarioidea - Pleurotomariidae
Cephalopoda
 Ammonoidea -
Ammonoidea gevrillianus ammonite
originally entered as "Ammonites gevrillianus"
Ammonoidea marcousanus ammonite
originally entered as "Ammonites marcousanus"
Ammonoidea desori ammonite
originally entered as "Ammonites desori"
Ammonoidea neocomiensis ammonite
originally entered as "Ammonites neocomiensis"
Ammonoidea thurmanni ammonite
originally entered as "Ammonites thurmanni"
Ammonoidea celestini ammonite
originally entered as "Ammonites celestini"
Ammonoidea bidichotomus ammonite
originally entered as "Ammonites bidichotomus"
 Belemnitida - Belemnitidae
 Nautilida - Nautilidae
"Nautilus pseudoelegans" = Cymatoceras pseudoelegans
"Nautilus pseudoelegans" = Cymatoceras pseudoelegans d'Orbigny 1841 nautiloid
Reptilia
 Loricata -
 Testudinata -
Tropidemys sp.2 Rütimeyer 1873 turtle
 Testudines - Cheloniidae
Trachyaspis sanctae-crucis von Meyer 1843 sea turtle
Actinopteri
 Pycnodontiformes - Pycnodontidae
Chondrichthyes
 Hybodontiformes - Acrodontidae
Strophodus sp. Agassiz 1838 elasmobranch
Asteracanthus granulosus Egerton 1854 elasmobranch
 Lamniformes - Odontaspididae
Odontaspis studeri sand tiger shark
Echinoidea
 Cidaroida - Cidaridae
Cidaris muricata pencil urchin
Cidaris pretiosa pencil urchin
Cidaris gemma pencil urchin
 Cidaroida - Rhabdocidaridae
Rhabdocidaris sanctae-crucis Desor 1855 pencil urchin
 Salenioida - Acrosaleniidae
 Salenioida - Saleniidae
Salenia depressa sea urchin
 Calycina - Diplopodiidae
"Pseudodiadema guirandi" = Diplopodia (Pseudodiadema)
"Pseudodiadema guirandi" = Diplopodia (Pseudodiadema) sea urchin
 Calycina - Phymosomatidae
"Cyphosoma nobilis" = Phymosoma
"Cyphosoma nobilis" = Phymosoma sea urchin
 Euechinoidea - Pseudodiadematidae
 Euechinoidea - Hemicidaridae
 Irregularia - Clypeidae
 Holectypoida - Holectypidae
 Arbacioida - Arbaciidae
 Camarodonta - Echinidae